-54.31% is the change from 545 to 249
Calculation steps:
[( 249 - 545 ) ÷ 545] x 100 = -54.31%
Formula
Percentage change = [(249 - 545) / 545] x 100
Subtract the new number by the original number
249 - 545 = -296
-296 ÷ 545 = -0.5431192660550459
-0.5431192660550459 x 100 = -54.31%